1# RK3588 Release Note 2 3## rk3588_bl32_v1.12.bin 4 5| Date | File | Build commit | Severity | 6| ---------- | :-------------------- | ------------ | --------- | 7| 2022-09-20 | rk3588_bl32_v1.12.bin | 4542e1efd | important | 8 9### New 10 111.Config FW-DSU region according to the specific DDR channel. 12 13------ 14 15## rk3588_bl32_v1.11.bin 16 17| Date | File | Build commit | Severity | 18| ---------- | :-------------------- | ------------ | --------- | 19| 2022-09-15 | rk3588_bl32_v1.11.bin | d84087907 | important | 20 21### Fixed 22 23| Index | Severity | Update | Issue description | Issue source | 24| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 25| 1 | important | Solve the problem that OPTEE is stuck during startup when printing is closed | User use /rkbin/tools/ddrbin_tool to close printing , then rk_atags will notify OPTEE to disable printing, When OPTEE starts, it will be stuck and unable to enter U-Boot | - | 26 27------ 28